Valve assembly



FIG. 1 is a perspective view of a valve assembly made according to the preferred embodiment of the present invention;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an opposite side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a valve assembly, as shown and described. 